bugfix: we now only apply the lightuserdata mask on platforms that are at least 64bits.

Thanks Alec Muffett for the report.

Author: spacewander

src/ngx_http_lua_common.h

@@ -140,9 +140,14 @@ typedef struct {
 #endif
 
 
+#if (NGX_PTR_SIZE >= 8)
 #define ngx_http_lua_lightudata_mask(ludata)                                 \
     ((void *) ((uintptr_t) (&ngx_http_lua_##ludata) & ((1UL << 47) - 1)))
 
+#else
+#define ngx_http_lua_lightudata_mask(ludata)    (&ngx_http_lua_##ludata)
+#endif
+
 
 typedef struct ngx_http_lua_main_conf_s  ngx_http_lua_main_conf_t;
 typedef union ngx_http_lua_srv_conf_u  ngx_http_lua_srv_conf_t;